Topic: Nitrogen
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What is Nitrogen?
Nitrogen is a non metallic chemical element found all over Earth in abundance. It is in the air we breathe and even found in some anesthetics, like nitrous oxide. You can find more information here: http://www.wisegeek.com/what-is-nitrogen.... Read More »
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How is Liquid Nitrogen Made?
One way to make liquid nitrogen is to use a compressor to compress, cool and then expand air many times until it has been cooled to about 77kelvin, where it will liquify. Read More »
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Where is Nitrogen Found?
Nitrogen is one of the most common elements around. Nitrogen is found in all living systems and makes up about 78.1% of the air on Earth. You can find more information here: http://www.radiochemistry.org/periodicta... Read More »
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Featured Content:
Nitrogen
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14.0067 amu
Daniel Rutherford is credited with the discovery of nitrogen in 1772.
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Answers to Other Common Questions
Liquid nitrogen is a colorless liquid that is commonly used for low-temperature storage in laboratories. It is also used to preserve blood, cells, and biological samples at low temperature. Do you work in a lab? If so, you may see liquid ni...
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Nitrogen is used for the production of ammonia, nitric acid and fertilizers. Liquid nitrogen is used to freeze materials like food. Since nitrogen is relatively inert, it is often used as a preservative atmosphere for delicate historical ob...
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The first nitrogen was discovered by Daniel Rutherford in 1772 in Scotland. While experimenting with burning a candle in sealed air, he discovered what he called fixed air which we now know is nitrogen.
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The melting point of nitrogen, (N), with the atomic number of 7, is -210. degrees Celsius. The boiling point of nitrogen is -195.79 degrees Celsius.
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We need nitrogen and it is important because all living things depend on it. 75% of the earth's atmosphere is nitrogen. It helps the reproduction of plants and the atmosphere's water supply.
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If your shopping list reads: bread, milk, eggs, nitrogen...then read on. Nitrogen is used in many products from fertilizers to light bulbs to laughing gas. The cost of nitrogen is based on how it is delivered. For example, in cylinders the ...
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